20289317770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{7151}}^1$

素因数の和:7423

約数の個数: 64

約数和(自身を含む): 39084249600

約数和(自身を除く): 18794931830

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 137, 190, 218, 274, 545, 685, 1090, 1370, 2071, 2603, 4142, 5206, 7151, 10355, 13015, 14302, 14933, 20710, 26030, 29866, 35755, 71510, 74665, 135869, 149330, 271738, 283727, 567454, 679345, 779459, 979687, 1358690, 1418635, 1558918, 1959374, 2837270, 3897295, 4898435, 7794590, 9796870, 14809721, 18614053, 29619442, 37228106, 74048605, 93070265, 106785883, 148097210, 186140530, 213571766, 533929415, 1067858830, 2028931777, 4057863554, 10144658885, 20289317770]

約数ペア:

[(1, 20289317770), (2, 10144658885), (5, 4057863554), (10, 2028931777), (19, 1067858830), (38, 533929415), (95, 213571766), (109, 186140530), (137, 148097210), (190, 106785883), (218, 93070265), (274, 74048605), (545, 37228106), (685, 29619442), (1090, 18614053), (1370, 14809721), (2071, 9796870), (2603, 7794590), (4142, 4898435), (5206, 3897295), (7151, 2837270), (10355, 1959374), (13015, 1558918), (14302, 1418635), (14933, 1358690), (20710, 979687), (26030, 779459), (29866, 679345), (35755, 567454), (71510, 283727), (74665, 271738), (135869, 149330)]